About Instrotech
About Instrotech
Founded in 1981, Instrotech (Pty) Limited began with a singular mission: to design and manufacture high-quality process control instrumentation and industrial electronics. Our instruments are engineered to regulate critical system parameters such as temperature, flow rate, weight, and position — ensuring precision, reliability, and durability. Over the decades, Instrotech has grown from a local producer to an internationally trusted name in process control solutions.
What We Do
Instrotech manufactures and distributes a comprehensive range of process control instrumentation and specialised systems for both the South African and international markets.
Through our manufacturing division, Calog Instruments, we produce:
Process and load-cell calibrators
Weighing electronics
DIN-rail mount signal conditioners
Digital panel meters
Custom-engineered industrial electronic systems
Our equipment is used worldwide across industrial plants, facilities, and power generation environments that demand accuracy and reliability.
Specialised Products & Systems
Calog Calibrators
A locally developed range of high-accuracy process and load-cell calibrators and testers.INSPECTA ASLD
A locally designed and manufactured acoustic tube leak detection system used in power stations across the globe. INSPECTA ASLD enables early detection of tube leaks, helping prevent unplanned outages and reducing consequential damage. Installations include South Africa, Germany, Australia, Turkey, India, Malaysia, and China.RALLYTIME GPS (TR)
A radio-linked rally monitoring system providing timing, route monitoring, and safety tracking for motorsport events. It is widely used across South Africa, Australia, and Jamaica, including the South African Rally Championship, the African Rally Championship, and most regional rally events.
Our Heritage & Partnership
In 2010, Instrotech became part of Comtest (Pty) Limited, a leading supplier of test and measurement, communications equipment, and technical solutions across Southern Africa.
This partnership has strengthened our capabilities, enabling us to offer a full end-to-end service model combining manufacturing, logistics, technical expertise, and dedicated customer support.
Our Approach – Total Market Support
Under the Comtest group, Instrotech adopts a holistic and customer-centred support model that includes:
Pre-sales consultation and application engineering
Logistics and supply-chain management
Technical support and after-sales service
Client training and strategic marketing
Our commitment is to ensure that every customer’s equipment operates safely, accurately, and reliably throughout its entire working life.
Why Choose Instrotech?
Over 40 years of industry expertise
Locally manufactured products with global reach
Compliance with international quality standards
Extensive technical and after-sales support
A diverse portfolio of specialised instrumentation and systems
Certification
- Instrotech’s products comply with EU legislation and are manufactured in accordance with the internationally accepted ISO 9001 Quality Management System standards.
- BEE Certification
Comtest Group Business Divisions:
Comtest Distribution
Provides test and measurement solutions via an extensive channel partner network. We offer full training and technical support tailored to the industrial sector.
Comtest Technologies & Comtest Solutions
Deliver electrical, electronic, and communications test equipment directly to end users, with expert consulting, support, and training services.
Instrotech & Calog Instruments
- Weighing electronics
- Signal conditioners
- Process calibrators
- Digital display units
These products are sold worldwide, with specialised solutions like the INSPECTA Steam Leak detection system, which has proven its performance in power stations and gasifiers both locally and internationally.
Meet The Team
Barend Niemand
Managing Director
Barend Niemand has been involved in the distribution of electrical and electronic equipment since 1993 and joined Spescom Measure Graph as financial director in 1995. He joined the Comtest team as the Financial Director, In 2014 Peter Vewer, one of the founding members, took a step down in the running of Comtest in order to have a greater role in the development of Instrotech, Barend took over the reins as Managing Director of the group with the retirement of Peter in 2015.
Jannie Dirks
Sales Director
Armed with a BCom degree in marketing management from the University of Pretoria, Jannie Dirks focuses his attention on managing the Comtest’s sales team and the abiding philosophy he imparts is one of positivity – simply everything must transform into a positive. He adds, “There is nothing like a positive frame of mind – why would you be anything else?”. Beginning his career in the hi-fi trade, he then moved on to the McCarthy Group until it was acquired by Bidvest. Thereafter, he was with Yamaha for 25 years, where he moved up the ranks to the position of general manager. When not driving the sales, he is a keen and happy golfer with a handicap of 15. His other abiding passion is ‘Overlanding’ – traversing the mountains and deserts of southern Africa.
Gerrit Barnard
Technical Sales Manager
Gerrit Barnard has been working at Comtest (Pty) Limited for the past 13 years as a Dealer Manager and Power quality portfolio manager for Fluke test and measurement instruments. Currently, his role at Comtest has changed to Technical Sales Manager, supporting the sales team at Comtest and customer support on a technical level. Gerrit is also a qualified Electrician (Sparky-Sparks have flown in his career). He has extensive product experience in the Fluke range and has completed level II Thermography through Infraspection Institute. With this technical background and years of experience, he is able to offer top-level consultancy and training.
Jenine Jansen van Vuuren
Technical Sales Manager
Jenine Jansen van Vuuren has 25+ years’ experience in the engineering industry, with extensive engineering, design, project, fabrication, instrumentation, and metrology knowledge. She has been active in the field of measurement since 1993 working with mass regulatory standards such as SABS 0259 and SANS 10378 as a certified Verification Officer. She was also registered as a Mass Metrologist in 2016. More recently Jenine has cemented her industry knowledge with the qualification N.Dip Process & Instrumentation (2015), a registration as a Flow Metrologist in 2018 and B.Tech Process & Instrumentation (2020). She is currently working as a sales account manager in the measurement industry for Comtest, the Fluke Agent in Southern Africa. And when she is not working, she loves the outdoors – Hiking, rock climbing, archery and a bit of amateur astronomy the side.